﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace Lswweb.Domain
{
    public class RegexHelper
    {
        public static bool IsNumber(string numberStr)
        {
            return  Regex.IsMatch(numberStr,"^[0-9]*$");
        }
    }
}
